diff --git a/generated/google-apis-backupdr_v1/CHANGELOG.md b/generated/google-apis-backupdr_v1/CHANGELOG.md
index 796c169bee3..02dd481a47a 100644
--- a/generated/google-apis-backupdr_v1/CHANGELOG.md
+++ b/generated/google-apis-backupdr_v1/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Release history for google-apis-backupdr_v1
 
+### v0.21.0 (2024-11-03)
+
+* Regenerated from discovery document revision 20241023
+
 ### v0.20.0 (2024-10-27)
 
 * Regenerated from discovery document revision 20241017
diff --git a/generated/google-apis-backupdr_v1/lib/google/apis/backupdr_v1/classes.rb b/generated/google-apis-backupdr_v1/lib/google/apis/backupdr_v1/classes.rb
index 90855aadf3d..57af7943ebc 100644
--- a/generated/google-apis-backupdr_v1/lib/google/apis/backupdr_v1/classes.rb
+++ b/generated/google-apis-backupdr_v1/lib/google/apis/backupdr_v1/classes.rb
@@ -2758,8 +2758,9 @@ class ManagementServer
         # @return [String]
         attr_accessor :name
       
-        # Required. VPC networks to which the ManagementServer instance is connected.
-        # For this version, only a single network is supported.
+        # Optional. VPC networks to which the ManagementServer instance is connected.
+        # For this version, only a single network is supported. This field is optional
+        # if MS is created without PSA
         # Corresponds to the JSON property `networks`
         # @return [Array<Google::Apis::BackupdrV1::NetworkConfig>]
         attr_accessor :networks
diff --git a/generated/google-apis-backupdr_v1/lib/google/apis/backupdr_v1/gem_version.rb b/generated/google-apis-backupdr_v1/lib/google/apis/backupdr_v1/gem_version.rb
index f5880c96392..46e329ab561 100644
--- a/generated/google-apis-backupdr_v1/lib/google/apis/backupdr_v1/gem_version.rb
+++ b/generated/google-apis-backupdr_v1/lib/google/apis/backupdr_v1/gem_version.rb
@@ -16,13 +16,13 @@ module Google
   module Apis
     module BackupdrV1
       # Version of the google-apis-backupdr_v1 gem
-      GEM_VERSION = "0.20.0"
+      GEM_VERSION = "0.21.0"
 
       # Version of the code generator used to generate this client
       GENERATOR_VERSION = "0.15.1"
 
       # Revision of the discovery document this client was generated from
-      REVISION = "20241017"
+      REVISION = "20241023"
     end
   end
 end